# encoding: utf-8
require 'carrierwave/processing/mime_types'
require 'carrierwave/crop'
require 'carrierwave'

class MediumUploader < CarrierWave::Uploader::Base

  # Include RMagick or MiniMagick support:
  # include CarrierWave::RMagick
  # include CarrierWave::MiniMagick
  include CarrierWave::MiniMagick
  include CarrierWave::MimeTypes
  include CarrierWave::Crop::Uploader
  # include CarrierWave::Processing::MiniMagick

  process :set_content_type
  process crop: :medium, if: :is_image?

  version :thumb do
    process resize_to_fill: [200, 150], if: :is_image?

    # if self.is_pdf?
    #     asset_path "2.jpg"
    # elsif is_doc?
    #     asset_path "2.jpg"
    # else
    #     asset_path "1.JPG"
    # end
  end

  # process resize_to_limit: [400, 400]
  # process :strip # strip image of all profiles and comments
  # process :resize_to_fill => [200, 200]
  # process :quality => 90 # Set JPEG/MIFF/PNG compression level (0-100)
  # # process :convert => 'png'
  # process :colorspace => :rgb # Set colorspace to rgb or cmyk
  # process :blur => [0, 8] #reduce image noise and reduce detail levels [radius,sigma]

  def _url version
    case content_type
    when /docx?|document$/; "1.JPG"
    when /pdf$/; "2.jpg"
    when /^image/; url
    else default_url
    end
  end


  # if Rails.env.production?
  #   storage :fog
  # else
  storage :file
  # end

  # Override the directory where uploaded files will be stored.
  # This is a sensible default for uploaders that are meant to be mounted:
  def store_dir
    "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
  end

  # Provide a default URL as a default if there hasn't been a file uploaded:
  def default_url
    # For Rails 3.1+ asset pipeline compatibility:
    ActionController::Base.helpers.asset_path("" + [version_name, "default.jpg"].compact.join('_'))

    # "/images/fallback/" + [version_name, "default.png"].compact.join('_')
  end


  resize_to_limit(1024, 768)


  # Process files as they are uploaded:
  # process :scale => [200, 300]
  #
  # def scale(width, height)
  #   # do something
  # end


  # Add a white list of extensions which are allowed to be uploaded.
  # For images you might use something like this:
  def extension_white_list
    %w(jpg jpeg gif png)
  end

  # Override the filename of the uploaded files:
  # Avoid using model.id or version_name here, see uploader/store.rb for details.
  # def filename
  #   "something.jpg" if original_filename
  # end


  version :large do
    process :crop
  end

  version :preview do
    process :crop
    resize_to_limit(690, 518)
  end

  version :thumb do
    process :crop
    resize_to_fill(100, 100)
  end


  def crop
    if model.crop_x.present?
      manipulate! do |img|
        x = model.crop_x.to_i
        y = model.crop_y.to_i
        w = model.crop_w.to_i
        h = model.crop_h.to_i
        img = img.crop(x, y, w, h)
        img
      end
    end
  end

  def convert_to_grayscale
    manipulate! do |img|
      img.colorspace = Magick::GRAYColorspace
      img
    end
  end

  def brightness
    manipulate! do |img|
      img.modulate(1.20, 0.5, 1.2)
    end
  end

  # Override the filename of the uploaded files:
  # Avoid using model.id or version_name here, see uploader/store.rb for details.
  # def filename
  #   "something.jpg" if original_filename
  # end

  def is_image? picture
    picture.content_type =~ /jpg|png|gif/
  end

  def is_pdf? picture
    picture.content_type =~ /pdf/
  end

  def is_doc? picture
    picture.content_type =~ /docx?$/
  end

end